sycl : unify unary kernels with a generic implementation and enable wide operator...

sycl : unify unary kernels with a generic implementation and enable wide operator support (llama/17213)

* SYCL: add generic unary op implementation for multiple ops (ABS/SGN/…); unify non-contiguous access

* SYCL: update documentation and sycl.csv to reflect new unary op support

* update ops.md after syncing SYCL.csv changes

* Fix SYCL.csv merge conflict

* Update ops.md after fixing SYCL.csv conflicts

* Fix SYCL.csv tail after merge conflict and regenerate ops.md

* Fix line endings and final newline in SYCL.csv

* Remove TOPK_MOE entries from SYCL.csv as requested

* Update ops.md after removing TOPK_MOE from SYCL.csv

* Regenerated SYCL.csv and synced ops.md with upstream

* Update ops.md using create_ops_docs.py